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ps4102
d:\northps\block123-14dec07\ps4102.txt
15 Dec 07 17:32:54 Saturday  elapsed time 00:14:30
Rectangular area = 0.877 km2
Data area = 0.874 km2
*percent double coverage = 99.925
**low-curvature dc area = 0.021 km2
1st-return RMSE, low-curvature areas = 0.423
95p = 0.960, 98p = 1.248, 99.5p = 1.773
BE RMSE = 1.399
95p = 2.782, 98p = 3.759, 99.5p = 5.558
3302618 unique returns and 0 duplicate returns
 
84239.0204602 1357270.078 568197.557 520.536 2 1 
84251.9738797 1360269.996 565349.689 448.528 1 1 
708.1098019
84960.0836816 1360269.962 566934.82 395.014 1 1 
84972.8074461 1357270.227 565279.893 372.443 2 1 
692.8856508
85665.6930969 1357270.037 565553.252 376.369 1 1 
85678.5587611 1360266.254 565263.711 366.215 2 2 
93182.0292249
178860.587986 1357270.942 568251.376 496.944 2 1 
178874.693417 1360269.154 566903.915 411.256 1 1 
241121.732857
419996.426274 1360266.817 565258.048 379.011 1 1 
420007.892739 1357277.148 565254.089 363.356 1 1 
667.601136
420675.493875 1357270.624 567418.485 532.812 1 1 
420689.066351 1360269.971 565252.345 398.794 1 1 
670.190852
421359.257203 1360269.819 565256.256 387.803 2 1 
421371.144133 1357270.083 567449.297 544.588 1 1 
 
1645254 1st returns
1657364 2nd returns
0 3rd returns
0 4th returns
139339 ground returns
0 blunders

curvature versus slope
  n = 1530987 
  X=0, Y = 9.82 +/- 6.71 
  Weighted least-squares fit:  Y = 33.4 + 3.549 X  + -0.03899 X**2 
 
slope versus dZ, curvature < 5
  n = 217570 
 
  Weighted least-squares fit:  Y = 9.6 + 0.149 X  + 0.00155 X**2 
     at X = 100, Y = 40.1 
     effective RMSE xy = 61.1 
 
slope versus dZ, curvature < 15
  n = 364031 
 
  Weighted least-squares fit:  Y = 11.4 + 0.190 X  + 0.00169 X**2 
 
curvature versus dZ, slope < 10
  n = 203721 
  X=0, Y = 8.06 +/- 5.85 
  Weighted least-squares fit:  Y = 8.5 + 4.603 X  + -0.21871 X**2 
 
 
Number of samples 1548341
Max dz = 900
Mean dz = 47
RMS dz = 73.3484832836
100cm = 85.7103183343 percentile value of dz

Number of survey units in 1 meter = 3.208
Nominal spot spacing (in survey units) = 5
Nominal pulse density (per m2) = 1
Difference cell size = 2.5
IsData cell size = 1.25
IsData expand cells = 8
IsData shrink cells = 7
BE IsData cell size = 2.5
BE IsData expand cells = 24
BE IsData shrink cells = 24
MaxCurve = 24.69903359999
Curvature expand cells = 4
Curvature shrink cells = 3
Point density cell size = 20
Color critical value = 0.3208
Hue jump at critical value = 90